Angleton climate — normals and trends
Angleton (United States) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 20.9 °C and it receives 1,069 mm of precipitation per year.
These figures are normals computed over 86 complete calendar years, from 1940 to 2025, using ERA5 reanalysis data from the Copernicus programme.
The warmest month is July (28.1 °C on average) and the coldest is January (12.2 °C). Rainfall peaks in September.
Angleton averages 5 frost days, 111 hot days (≥ 30 °C) and 127 rainy days per year.
Angleton has warmed by +1.5 °C between 1940 and 2025, or +0.18 °C per decade. This trend is statistically significant.
The hottest day of the period reached 40.9 °C (on 27 August 2023) and the coldest -12.9 °C (on 31 January 1949).
Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.
Climate normals · ERA5
AngletonTexas
- coords
- 29.17°, -95.43°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
20.9°C
Average daily high
25.4°C
Average daily low
16.9°C
Annual rainfall
1,069mm
Sunshine / day
9.6h
Mean relative humidity
76%
Average peak wind
18.6km/h
Seasonal range
15.9°C
Frost days (< 0 °C)
5 d/yr
Hot days (≥ 30 °C)
111 d/yr
Rainy days (≥ 1 mm)
127 d/yr
Annual snowfall
0.7 cm
Average feels-like high
27.0 °C
Average feels-like low
17.4 °C
Average peak gust
36.5 km/h
Tropical nights (≥ 20 °C)
163 d/yr
Solar radiation
16.8 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.5 °C
since 1940
+0.2 °C per decade · r² = 0.40 · p = < 0.001
Trend fitted by linear regression (ordinary least squares) on annual means. A trend is shown only when it is statistically significant (p < 0.05).
A climograph overlays rainfall (bars) and temperature (line): the standard reading in climatology, where you can see at a glance whether the warm season is also the dry one.
Records for the period
Hottest day
40.9 °C
27 August 2023
Coldest day
-12.9 °C
31 January 1949
Wettest day
287 mm
11 September 1961
Windiest day
87.2 km/h
11 September 1961
Strongest gust
163.4 km/h
11 September 1961
Hottest feels-like
44.7 °C
20 August 2023
Coldest feels-like
-19.2 °C
23 December 1989
Snowiest day
12.0 cm
30 January 1949
Sunniest day
13.3 h
2 June 1948
Normals computed over complete calendar years 1940–2025.
A specific year
Pick a year and see how it compares to normal — warmer, drier or more extreme than usual?
Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 14.6 °C | -2.3 °C | 132 mm | +43 mm |
| Feb | 20.1 °C | +1.5 °C | 58 mm | -15 mm |
| Mar | 25.1 °C | +3.3 °C | 66 mm | -9 mm |
| Apr | 27.2 °C | +2.0 °C | 62 mm | -25 mm |
| May | 29.9 °C | +1.3 °C | 149 mm | +51 mm |
| Jun | 31.7 °C | +0.4 °C | 194 mm | +100 mm |
| Jul | 33.2 °C | +0.9 °C | 76 mm | -14 mm |
| Aug | 32.3 °C | -0.1 °C | 218 mm | +125 mm |
| Sep | 30.7 °C | +0.4 °C | 103 mm | -9 mm |
| Oct | 29.2 °C | +2.2 °C | 51 mm | -31 mm |
| Nov | 25.6 °C | +3.6 °C | 62 mm | -29 mm |
| Dec | 20.6 °C | +2.1 °C | 64 mm | -22 mm |
The year's extremes
What was the weather like that day?
Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.
Frequently asked questions
What is the climate of Angleton?
Angleton has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 20.9 °C and it receives 1,069 mm of precipitation per year.
What is the hottest day ever recorded in Angleton?
The hottest day measured in Angleton between 1940 and 2025 was 27 August 2023, reaching 40.9 °C.
What is the coldest day in Angleton?
The coldest day measured in Angleton between 1940 and 2025 was 31 January 1949, at -12.9 °C.
Does it snow in Angleton?
Almost never: Angleton sees virtually no snow, with about 5 frost days per year.
Has the climate of Angleton warmed?
Yes: Angleton warmed by +1.5 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Angleton?
The wettest day measured in Angleton between 1940 and 2025 was 11 September 1961, with 287 mm of rain in 24 hours.
What was the windiest day in Angleton?
The windiest day measured in Angleton between 1940 and 2025 was 11 September 1961, with winds reaching 87.2 km/h.
What is the warmest month in Angleton?
The warmest month in Angleton is July (28.1 °C on average); the coldest is January (12.2 °C).
How much does it rain in Angleton?
Angleton receives on average 1,069 mm of precipitation per year, spread over about 127 rainy days.
Is it sunny in Angleton?
Angleton gets on average 9.6 hours of sunshine per day, roughly 3,504 hours per year over 1940-2025.
What is the biggest single-day snowfall in Angleton?
The heaviest 24-hour snowfall measured in Angleton between 1940 and 2025 was 30 January 1949, with 12.0 cm.
Are there tropical nights in Angleton?
Yes: Angleton has on average 163 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Angleton?
In Angleton, between 1940 and 2025, the highest apparent temperature reached 44.7 °C on 20 August 2023, and the lowest was -19.2 °C on 23 December 1989.
Compare Angleton with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Angleton